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Pneumatic measuring head for outer diameter of large workpieces

A pneumatic measuring head, large-size technology, applied in the field of measuring tools, can solve the problems of difficulty in ensuring the center line of the air hole of the measuring head, the measuring head cannot be separated from the whole machine, inconvenient to use and carry, and achieves light weight, flexible and convenient disassembly and assembly. , the effect of reducing volume and weight

Active Publication Date: 2014-06-04
REACH PRECISION MEASUREMENT GUIYANG COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the pneumatic measuring device for the outer diameter of large-sized workpieces usually uses a built-in air channel; since the measuring head is fixedly connected to the built-in air channel, the measuring head cannot be separated from the whole machine, and there are defects such as bulky and bulky overall structure, inconvenient use and carrying.
In addition, the traditional structure of the pneumatic measuring device does not have a positioning device, so it is difficult to ensure that the centerline of the air hole of the measuring head intersects with the centerline of the outer circle of the workpiece, and the measurement error is relatively large

Method used

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  • Pneumatic measuring head for outer diameter of large workpieces
  • Pneumatic measuring head for outer diameter of large workpieces

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0012] Such as Figure 1~2 As shown: two air pipes 8 are connected in parallel at both ends of the tee pipe 3, and the two measuring heads 6 respectively fixed at both ends of the connecting rod 1 communicate with the corresponding air pipes 8 through quick-change joints (not shown in the figure). The side of connecting rod 1 is fixed with locating device, and this locating device is made of two slide rods 5 that are fixed on connecting rod 1 by thread, the positioning head 7 that is respectively fixed on each sliding rod 5; 5 can be adjusted so that the air hole centerline of the measuring head 6 intersects with the outer circle centerline of the workpiece.

[0013] In order to ensure accurate positioning, locking nuts 9 are arranged on each slide bar 5, and locking screws 2 are arranged on each positioning head 7. In order to reduce the contact a...

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Abstract

The invention discloses a pneumatic measuring head for the outer diameter of large workpieces, and belongs to measuring devices. According to the pneumatic measuring head for the outer diameter of the large workpieces, measuring head bodies can be separated from a whole measuring machine. The pneumatic measuring head for the outer diameter of the large workpieces comprises the two measuring head bodies communicated with air flues, wherein the air flues are air pipes (8) which are connected with the two ends of a tee-branch pipe (3) in parallel; the two measuring head bodies (6) are fixed to a connection rod (1); the connection rod is provided with a locating device; the locating device is composed of two slide rods (5) and locating heads (7) fixed to the slide rods (5) respectively; the slide rods are fixed to the connection rod (1) through threads. The pneumatic measuring head for the outer diameter of the large workpieces can effectively reduce the size and the weight of the whole machine, and ensure that the center line of an air hole of the measuring head is intersected with the center line of the outer circle of the workpieces, thereby improving the measuring precision. The pneumatic measuring head is used for measuring the outer diameter of the large workpieces.

Description

technical field [0001] The invention relates to a measuring tool, in particular to a pneumatic measuring head. Background technique [0002] As we all know, pneumatic measurement is a technology that uses compressed air as the medium to measure the size of the workpiece non-contact; its principle is to use the pressure sensor to convert the pressure difference into The electrical signal is then processed by the data processing unit and the result is displayed. At present, the pneumatic measuring device for the outer diameter of large-sized workpieces usually uses a built-in air channel; since the measuring head is fixedly connected to the built-in air channel, the measuring head cannot be separated from the whole machine, and there are defects such as bulky and bulky overall structure, inconvenient use and carrying. In addition, the traditional structure of the pneumatic measuring device does not have a positioning device, so it is difficult to ensure that the centerline of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B13/08
Inventor 顾惠平蒙浩
Owner REACH PRECISION MEASUREMENT GUIYANG COMPANY
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